Use of 1-[4-[4-aryl (or heteroaryl)-1-piperazinyl]-butyl)-1H-azole derivatives for the preparation of medicaments intended for the treatment of disorders of gastric secretion

ABSTRACT

The present invention relates to the use of 1-{4-[4-aryl(or heteroaryl)-1-piperazinyl]butyl}-1H-azole derivatives and of their physiologically acceptable salts for the manufacture of medicaments intended for the treatment of disorders associated with gastric secretion.

The present invention relates to use of 1-{4-[4-aryl (or heteroaryl)-1-piperazinyl]butyl}-1-H-azole derivatives and of their physiologically acceptable salts for the manufacture of medicaments intended for the treatment of disorders associated with gastric secretion.

The compounds to which the present invention relates have been described in European Patents EP 382,637 and EP 497,659, as well as in European Patent EP 502,786, which relates to a process for the preparation of aryl (or heteroaryl)piperazinylbutylazole derivatives. In Patents EP 382,637 and EP 497,659, we claimed the use of these compounds in the treatment of certain diseases of the central nervous system. We have now discovered that aryl (or heteroaryl)piperazinylbutylazole derivatives show a gastric antisecretory activity and that, consequently, they are useful in the treatment of gastric hypersecretion or as anti-ulcer agents. In particular, the compounds are appropriate in preventing or treating gastrointestinal diseases in mammals, including man.

The compounds recommended in the context of the present invention correspond to the general formula I ##STR1## in which: Ar represents an optionally nitrogenous aromatic radical chosen from the variously substituted aryls, variously substituted 2-pyrimidine and 3-(1,2-benzisothiazole), Z₁ represents a nitrogen atom or an optionally substituted carbon atom which can he represented by: C-R₁, Z₂ represents a nitrogen atom or an optionally substituted carbon atom which can be represented by: C-R₂, Z₄ represents a nitrogen atom or an optionally substituted carbon atom which can he represented by: C-R₄, and R₁, R₂, R₃ and R₄, which are identical or different and which can also form part of another, optionally aromatic, ring, represent a hydrogen atom, a halogen, a lower alkyl radical, a nitro radical, a hydroxyl radical, an alkoxy radical, a cyano radical, a carboxyl radical, a carboxamido radical, an alkyl carboxylate radical, an aryl or substituted aryl radical, a sulfo radical, a sulfonamido radical which is optionally substituted on the amino group, or an amino or substituted amino radical.

The compounds identified by Examples 1 to 84 are obtained by the procedures described in Patents EP 382,637, EP 497,659 and EP 502,786 and the data for their identification are displayed in Table I. The following examples illustrate the properties of a few derivatives which come within the context of the present invention.

    TABLE I       ##STR2##                        NMR Example Z.sub.1 Z.sub.2 Z.sub.4 R.sub.3 M.p. IR      cm.sup.-1 Solvent .sup.1       H NMR (100 MHz), δ, J=Hz                     1 CH CH CH H Oil      2941, 1585, 1547, CDCl.sub.3 1.55(m, 2H); 1.77(m, 2H); 2.25-2.55(c.a.,      6H);       1500, 1360, 1260,  3.70-4.05(c.a., 6H); 6.13(t, J=2.0Hz, 2H)      6.47       983, 724 (film)  (t, J=4.7Hz, 1H); 6.65(t, J=2.0Hz, 2H);         8.29(d, J=4.7Hz, 2H)  2 CCHCHCHCHC CCHCHCHCH Oil 2941, 1586, 1547,      CDCl.sub.3 1.6(m, 2H); 1.86(m, 2H); 2.27-2.45(c.a., 6H);     1511, 1484,      1402,  3.78(t, J=5.2Hz, 4H); 4.30(t, J=7.1Hz,     1359, 1307, 1260,      2H); 6.43(t, J=4.7Hz, 1H); 7.12-7.46(c.a.,     983, 750, 723  6H);      8.07(d, J=6.5Hz, 2H) 8.26(d, J=4.7     (film)  Hz, 2H)  3 CCHCHCHCHC CH      H Oil 2940, 1585, 1547, CDCl.sub.3 1.54(m, 2H); 1.88(m, 2H); 2.37(c.a.,      6H); 3.79      1510, 1446, 1359,  (t, J=5Hz, 4H); 4.13(t, J=6.8Hz, 2H);      6.45      1259, 983, 741  (c.a., 2H); 6.9-7.1(c.a., 5H); 8.27(d,      J=4.7Hz, 2H)      (film)  4 CCHCHCHCHC CPh Ph Oil 2942, 1586, 1547,      CDCl.sub.3 1.38(m, 2H); 1.68(m, 2H); 2.10-2.40(c.a., 6H);      1502,      1447, 1359,  3.76(t, J=5Hz, 4H); 4.11(t, J=7Hz, 2H);      1261, 984,      789,  6.41(t, J=4.7Hz, 1H); 7.10-7.50(c.a., 13H);      757, 702 (film)      7.79(m, 1H); 8.25(d, J=4.7Hz, 2H)       5 N CH CH      ##STR3##       124° C. 3337, 3156, 1663,1601, 1586, 1446,1360, 980 (KBr)      d.sub.6 -DMSO 1.38(m, 2H); 1.81(m, 2H); 2.3-2.5(c.a., 6H); 3.69(m, 4H);      4.14(t, J=7Hz, 2H); 6.6(t, J=4.7Hz, 1H); 7.0(broad, 1H); 7.7(broad, 1H);      7.89(s,1H); 8.24(s, 1H); 8.35(d, J=4.6Hz, 2H)       6 N CH CH      ##STR4##       104-105° C. 3100, 2943, 1602,1587, 1546, 1487,1440, 1360,      1260,797 (film) d.sub.6 -DMSO 1.40(m, 2H); 1.81(m, 2H); 2.23-2.49(c.a.,      6H);3.0(broad, 1H); 3.64(m, 4H); 4.13(t, J=7Hz,2H); 6.6(t, J=4.7Hz, 1H);      7.7(s, 1H); 8.1(s,1H); 8.33(d, J=4.7Hz, 2H)   7 N CMe CCF.sub.3 H      71-75° C. 2937, 2856, 1586, CDCl.sub.3 1.57(m, 2H); 1.89(m, 2H);      2.32(s, 3H); 2.30-       1544, 1496, 1393,  2.55(c.a., 6H); 3.82(t,      J=5Hz, 4H); 4.10(t,       1228, 1177, 1125,  J=7Hz, 2H); 6.25(s, 1H);      6.47(t, J=4.7Hz,       981 (KBr)  1H); 8.29(d, J=4.7, 2H)  8 CH N CPh Ph      Oil 2942, 1585, 1547, CDCl.sub.3 1.55(m, 4H); 2.16-2.42(c.a., 6H);      3.71-3.89(c.a.,       1505, 1445, 1360,  6H); 6.47(t, J=4.7Hz, 1H)      7.12-7.60(c.a.,       1307, 1260, 983,  11H); 8.27(d, J=4.7Hz, 2H)      774, 754, 700       (film)  9 CPh N CPh Ph Oil 2942, 1585, 1546,      CDCl.sub.3 1.55(m, 4H); 1.95-2.33(c.a., 6H); 3.69-4.07(c.a.,       1501,      1445, 1360,  6H) 6.47(t, J=4.7Hz, 1H); 7.13-7.67(c.a.,       1260, 983,      698  15, H); 8.26(d, J=4.7Hz, 2H)       (film) 10 CMe N CPh Ph Oil 2942,      1585, 1547, CDCl.sub.3 1.43(m, 4H); 2.18-2.47(c.a., 9H); 3.72- 3.76(c.a.,             1500, 1446, 1393,  6H) 6.47(t, J=4.7Hz, 1H); 7.09-7.39(c.a.,       1260, 983, 760,  10H); 8.26(d, J=4.7Hz, 2H)       698 (film) 11 CMe N      CCl Cl Oil 2942, 1586, 1547, CDCl.sub.3 1.45-1.84(c.a., 4H); 2.26-2.57(c.      a., 9H); 3.74-       1500, 1447, 1359,  4.05(c.a., 6H) 6.48(t, J=4.7Hz,      1H); 8.30(d,       1259, 1245, 983  J=4.7Hz, 2H)       (film) 12 CEt N      CH H Oil 2938, 1585, 1547, CDCl.sub.3 1.34(t, J=7,1, 3H); 1.66(m, 4H);      2.31-2.72       1495, 1446, 1360,  (c.a., 8H); 3.77-3.92(c.a., 6H);      6.47(t, J=4.7       1260, 983, 638  Hz, 1H) 6.87(d, J=10Hz, 2H); 8.26(d,      J=       (film)  4.7Hz, 2H) 13 CPh N CH H Oil 2941, 1585, 1547, CDCl.sub.      3 1.45(m, 2H); 1.73(m, 2H); 2.19-2.42(c.a., 6H);       1500, 1446, 1360,       3.77(t, J=5.1Hz, 4H); 4.01(t, J=7.3Hz,       1260, 983, 774,  2H);      6.47(t, J=4.7Hz, 1H); 6.94-7.61(c.a.,       700 (film)  7H); 8.27(d,      J=4,7Hz, 2H)       14 CH N CH      ##STR5##       92-94° C. 2800, 1713, 1585,1544, 1483, 1360,1223, 1117, 985(KBr)      CDCl.sub.3 1.45(m, 2H); 1.72(m, 2H); 2.29-2.39(c.a., 6H);3.65-3.74(c.a.,      7H); 4.01(t, J=6.8Hz, 2H) 6.47(t, J=4.7Hz, 1H); 7.67(s, 1H); 7.81(s,     8      1H);.24(d, J=4.7Hz, 2H)  15 CH N CH Ph 105-107° C. 2944, 1585,      1548, d.sub.6 -DMSO 1.45(m, 2H); 1.73(m, 2H); 2.21-2.45(c.a., 6H);      1500, 1447, 1360,  3.60-3.75(c.a., 4H); 4.03(t, J=6.8Hz, 2H) 6.47      1260, 983 (KBr)  (t, J=4.7Hz, 1H); 7.21-7.79(c.a., 7H); 8.25(d,      J=4.7Hz, 2H) 16 CH N CCHCHCHCH 85-88° C. 2944, 1581, 1542,      d.sub.6 -DMSO 1.40(m, 2H); 1.82(m, 2H); 2.26-2.42(c.a., 6H);      1488,      1466, 1355,  3.62-3.71(c.a., 4H); 4.24(t-J=6.9Hz, 2H)      1259, 741      (KBr)  6,56(t, J=4.7Hz, 1H); 7.16-7.26 c.a., 2H);        7.55-7.70(c.a.,      2H); 8.22-8.34(c.a., 3H) 17 CH N CNCHCHCH 104° C. 2935, 1578,      1545, d.sub.6 -DMSO 1.45(m, 2H); 1.90(m, 2H); 2.23-2.50(c.a., 6H);      1482, 1443, 1409,  3.6(t, J=4.8Hz, 4H); 4.3(t, J=7.0Hz, 2H);      1357,      1256, 982,  6.5(t, J=4.7Hz, 1H); 7.25(dd, J=4.7Hz,      751 (KBr)  1H);      8.05(d, J=7.9Hz, 1H); 8.30-8.48(c.a., 4H) 18 CH N CCHCHCHN 134°      C. 2944, 2828, 1609, d.sub.6 -DMSO 1.42(m, 2H); 1.84(m, 2H);      1582,      1543, 1487,  2.28-2.49(c.a., 6H); 3.60-3.69(c.a., 4H); 4.03(t,      1460, 1355, 1260,  J=7.0Hz, 2H) 6.5(t, J=4.7Hz, 1H); 7.28      982, 800      (KBr)  (dd, J=4.7Hz, 1H); 8.07(d, J=7.9Hz, 1H);        8.29-8.50(c.a.,      4H) 19 N N CCHCHCHCH 89-90.5° C. 2940, 2818, 1590, d.sub.6 -DMSO      1.43(m, 2H); 1.97(m, 2H); 2.24-2.53(c.a., 6H);      1544, 1498, 1360,      3.66(t, J=5.1Hz, 4H); 4.75(t, J=6.8Hz,      1259, 984, 749  2H); 6.60(t,      J=4.7Hz, 1H); 7.52(m, 2H); 8.01      (KBr)  (m, 2H); 8.31(s, 1H);      8.36(s, 1H) 20 CCl N CCHCHCHCH 153-145° C. 2940, 1583, 1542,      d.sub.6 -DMSO 1.50(m, 2H); 1.81(m, 2H); 2.20-2.42(c.a., 6H);      1491,      1466, 1443,  3.67(m, 4H); 4.28(t, J=7Hz, 2H); 6.58(t, J=      1383,      1264, 1128,  4.7Hz, 1H); 7.30(m, 2H); 7.60(m, 2H); 8.31(d,      981, 742      (KBr)  J=4.7Hz, 2H)       ##STR6##               NMR  Example Z.sub.1 Z.sub.4 R.sub.3 Z.sub.2 M.p. IR cm.sup.-1      Solvent .sup.1       H NMR(100 MHz), δ, J=Hz                               21 CH N H N      69-71° C. 2942, 1582, 1546, CDCl.sub.3 1.55(m, 2H); 1.96(m, 2H);      2.32-2.51(c.a., 6H);       1458, 1448, 1360,  3.81(t, J=5.1Hz, 4H);      4.21(t, J=7.0Hz,       1261, 1138, 1011,  2H); 6.47(t, J=4.7Hz, 1H);      7.95(s, 1H); 8.09       983, 680 (KBr)  (s, 1H); 8.29(d, J=4.7Hz, 2H) 22 N       N CHCHCHCHC 97.4- 2946, 2863, 2823, d.sub.6 -DMSO 1.34-1.56(m, 2H);      1.97-2.13(m, 2H); 2.18-2.48     98.2° C. 1585, 1547, 1483,      (c.a., 6H); 3.65(t, J=5.3Hz, 4H); 4.75(t, J=      1358, 1256, 982,      6.8Hz, 2H); 6.56(t, J=4.7Hz, 1H); 7.40(dd,      799, 761 (KBr)  J=6.5Hz,      J'=3.1Hz, 2H); 7.90(dd., J=6.6Hz,        J' = 3.3Hz, 2H); 8.28(s, 1H);      8.33(s, 1H) 23 CMe CCHCHCHCH N 101-102° C. 2938, 2820, 1583,      CDCl.sub.3 1.56-1.93(c.a., 4H); 2.30-2.47(c.a., 6H); 2.58(s,      1542,      1494, 1405,  3H); 3.79(t, J=5.2Hz, 4H); 4.10(t, J=7.3Hz,      1357,      1258, 983,  2H); 6.43(t, J=4.7Hz, 1H); 7.22(m, 3H); 7.67      798, 744      (KBr)  (m, 1H); 8.26(d, J=4.7Hz, 2H)       24 CH      ##STR7##       N 105-106° C. 2946, 1584, 1542, 1491, 1466, 1362,1262, 983,      800,742 (KBr) CDCl.sub.3 1.50(m, 2H); 1.85(m, 2H); 2.25-2.43(c.a.,      12H);3.76(t, J=5.0Hz, 4H); 4.07(t, J=7.0Hz,2H); 6.40(t, J=4.7Hz, 1H);      7.11(s, 1H); 7.51(s, 1H); 7.71(s, 1H); 8.23(d, J= 4.7Hz, 2H)       ##STR8##               NMR  Example Z.sub.1 Z.sub.2 R.sub.3 Z.sub.4 M.p. IR cm.sup.-1      Solvent .sup.1       H NMR(100 MHz), δ, J=Hz                               25 N CH H      CH Oil 2942, 2815, 1586, CDCl.sub.3 1.50(m, 2H); 1.9(m, 2H); 2.40(m,      6H); 3.80(m,       1547, 983 (film)  4H); 4.12(t, 2H, J=6.9); 6.20(t,      1H, J=1.6);         6.40(t, 1H, J=4.7); 7.42(dd, 2H, J=4.7;         J' =      1.6); 8.25(d, 2H, J=4.7) 26 N CMe H CMe Oil 1590, 1550, 1350, CDCl.sub.3      1.58(m, 2H); 1.85(m, 2H); 2.20(s, 3H); 2.25(s,       1260, 980 (film)      3H); 2.44(m, 6H); 3.81(m, 4H); 3.97(t, 2H, J=         7.2); 5.78(s, 1H),      6.43(t, 1H, J=4.7); 8.27(d,         2H, J=4.7) 27 N CMe NO.sub.2 CMe Oil      1590, 1550, 1350, CDCl.sub.3 1.60(m, 2H); 1.90(m, 2H); 2.49(m, 9H);      2.63(s,       1260, 980 (film)  3H); 3.82(m, 4H); 4.09(t, 2H, J=7);      6.48(t,         1H, J=4.7); 8.29(d, 2H, J=4.7) 28 N CH Me CH Oil 1590,      1550, 1500, CDCl.sub.3 1.52(m, 2H); 1.95(m, 2H); 2.05(s, 3H); 2.37(m,         1360, 1260, 980  6H); 3.81(m, 4H); 4.05(t, 2H, J=6.8); 6.41(t,      (film)  1, H, J=4.7); 7.13(s, 1H); 7.27(s, 1H);         8.23(d, 2H,      J=4.7) 29 N CH CHCHCHCHC Oil 2930, 1590, 1550, CDCl.sub.3 1.51(m, 2H);      1.98(m, 2H); 2.36(m, 6H); 3.77(m, 4H);      1500, 1360, 1310,  4.39(t,      2, H, J=6.9); 6.40(t, 1H, J=4.7); 7.0-7.7      1260, 980 (film)  (m,      4H); 7.95(s, 1H); 8.25(d, 2H, J=4.7) 30 N CMe Br CMe Oil 2930, 1590,      1550, CDCl.sub.3 1.55(m, 2H); 1.81(m, 2H); 2.18(s, 3H); 2.20(s,      1500, 1360, 1310,  3H); 2.38(m, 4H); 3.80(m, 4H); 3.99(t, 2H,      1260, 980 (film)  J=6.9); 6.42(t, 1H, J=4.7); 8.25(d, 2H, J=4.7) 31 N CH      NO.sub.2 CH 94-96° C. 1584, 1524, 1480, CDCl.sub.3 1.5(m, 2H);      1.93(m, 2H); 2.38(m, 6H); 3.76(m,       1444, 1406, 1359,  4H); 4.15(t,      2H, J=6.7); 6.42(t, 1H, J=4.7);       1305, 819 (KBr)  8.01(s, 1H);      8.12(s, 1H); 8.24(d, 2H, J=4.7) 32 N CH Cl CH 2 HCl 3429, 2688 1636,      d.sub.6       -DMSO 1.69(m, 2H); 1.81(m, 2H); 2.98(m, 2H); 3.08      195-8° C.      1620 1346, 1218  (m, 2H); 3.39-3.53(m, 4H); 4.12(t, 2H); 4.67(d, 2H);         971  6.77(t, 1H); 7.53(d, 1H); 8.04(d, 1H); 8.45(d, 2H) 33 N CH EtOOC      CH oil 1715, 1586, 1222, CDCl.sub.3 1.34(t, 3H, J=7.1); 1.54(m, 2H);      1.90(m, 2H);       983 (film)  2.46(m, 6H); 3.81(m, 4H); 4.25(m, 4H);      6.47(t,         1H, J=4.7); 7.90(s, 2H); 8.29(d, 2H, J=4.7) 34 N CMe H      CPh oil 1586, 1541, 1360, CDCl.sub.3 1.54(m, 2H); 1.85(m, 2H); 2.28(s,      3H); 2.45(m,       983 (film)  6H); 3,81(m, 4H); 4.07(t, 2H, J=7);      6.28(s,         1H); 6.43(t, 1H, J=4.7); 7,33(m, 4H); 7.75(m,      2H); 8.26(d, 2H, J=4.7) 35 N CH Br CH oil 1586, 1547, 1360, CDCl.sub.3      1.52(m, 2H); 1.89(m, 2H); 2.44(m, 6H); 3.62       984 (film)  (m, 4H);      4.11(t, 2H, J=6.7); 6.46(t, 1H, j=4.6);         7.42(s, 1H); 7.45(s,      1H); 8.29(d, 2H, J=4.6) 36 N CH CeN CH 94- 95° C. 3076, 2231,      1587, CDCl.sub.3 1.54(m, 2H); 1.96(m, 2H); 2.40(m, 6H); 3.81       1551,      1258, 982  (m, 4H); 4.20(t, 2H, J=6.9); 6.48(t, 1H, J=        (KBr)      4.7); 7.80(s, 1H); 7.83(s, 1H); 8.29(d, 2H, J=4.7) 37 N CH F CH oil      2944, 1584, 1546, CDCl.sub.3 1.45(m, 2H); 1.96(m, 2H); 2.36(m, 6H); 3.77            1507, 1359, 1260,  (m, 4H); 4.0(t, 2H, J=6.9); 6.47(t, 1H, J=       983 (film)  4.7); 7.27(m, 2H, J=4.8); 8.29(d, 2H, J=4.8) 38 CH CH      H.sub.2 N N Oil 1586, 1548, 1360, CDCl.sub.3 1.50(m, 2H); 1.85(m, 2H);          984 (film)  2.43(m, 6H); 3.4(broad 2H); 3.8(m, 6H); 4.0(t,      2H, J=6.4); 6.46(t, 1H, J=4.7); 6.98(s, 1H);         7.10(s, 1H);      8.27(d, 2H, J=4.7) 39 CH CH MeSO.sub.2 NH N 132° C. 1582, 1482,      1360, CDCl.sub.3 1.58(m, 2H); 1.93(m, 2H);       1150, 983 (KBr)      2.45(m, 6H); 2.94(s, 3H); 3.8(m, 4H); 4.11(t,         2H, J=6.9);      6.45(t, 1H, J=4.7) 7.4(s, 1H);         7.5(s, 1H); 8.28(d, 2H, J=4.7) 40      CH CH PhCONH N 134-136° C. 1646, 1586, 1542, CDCl.sub.3 1.55(m,      2H); 1.79(s, 3H); 1.88(m, 2H); 2.42(m,       1349, (KBr)  6H); 3.80(m,      4H); 4.13(t, 2H, J=6.8); 6.51(t,         1H, J=4.7) 7.49(m, 4H); 7.83(m,      2H); 8.0(s, 1H);         8.11(s, 1H); 8.28(d, 2H, J=4.7) 41 CH CH MeCONH      N 80-82° C. 1650, 1586, 1454, CDCl.sub.3 1.50(m, 2H); 1.88(m,      2H); 2.11(s, 3H); 2.43(m,       1364, 1261, 983  6H), 3.79(m, 4H);      4.8(t, 2H, J=6.8); 6.47(t,       (KBr)  1H, J=4.7) 7.36(s, 1H); 7.93(s,      1H); 8.28(d,         2H, J=4.6); 9.25(s, 1H)       42 CH CH      ##STR9##       N Oil 2960, 1585, 1547,1359, 1260, 983(film) CDCl.sub.3 1.00(t, 3H,      J=7.0); 1.19(d, 3H, J=6.3);1.6(m, 4H); 1.90(m, 2H); 2.50(m, 6H);      3.0(m,3H); 3.9(m, 4H); 4.1(t, 2H, J=6.8); 6.52(t, 1H, J=4.7);6.99(s, 1H)      7.17(s, 1H); 3.37(d, 2H, J=4.7)  43 N CCl F CH Oil 2944, 1585, 1547,      CDCl.sub.3 1.52(m, 2H); 1.90(m, 2H);       1507, 1360, 1260,  2.40(m,      6H); 3.80(m, 4H); 4.0(t, 2H, J=4.8);       984 (film)  6.45(t, 1H,      J=4.7); 7.30(d, 1H, J=4.8); 8.29         (d, 1H, J=4.8)  44 N CH       ##STR10##       CH 79-82° C. 2390, 1589, 1545,1495, 1360, 1247,983, 835,      799(KBr) CDCl.sub.3 1.62(m, 2H); 1.88(m, 2H); 2.45(m, 6H); 3.81(m, 7H);      4.16(t, 2H, J=6.8); 6.46(t, 1H, J=4.7); 6.9(d, 2H, J=4.4); 7.4(d, 2H,      J=4.4);7.55(s, 1H); 87.7(s, 1H) 8.28(d, 2H, J=2.4)       45 N CH      ##STR11##       CH 108-110° C. 2946, 1586, 1549,1485, 1395, 1257,982, 951,      830(KBr) CDCl.sub.3 1.6(m, 2H); 1.9(m, 2H); 2.46(m, 6H); 3.8(m,4H);      4.16(t, 2H, J=6.8); 6.4(t, 1H, J=4.7);7.36(d, 4H, J=1.3); 7.7(d, 2H,      J=6.2); 8.28(d, 2H, J=2.3)       46 N CH      ##STR12##       CH Oil 2943, 1586, 1487,1359, 1260, 984,726 (film) CDCl.sub.3 1.55(m,      2H); 1.80(m, 2H); 2.45(m, 6H); 3.81(t,4H, J=5); 4.12(t, 2H, J=7);      6.25(2H, t,J=2); 6.44(1H, t, J=4.7); 6.84(m, 2H);7.5(d, 2H, J=5);      8.27(d, 2H, J=4.7)       47 N CH      ##STR13##       CH 39-42° C. 2942, 1585, 1493,1446, 1359, 1258,983, 760 (film)      CDCl.sub.3 1.6(m, 2H); 1.9(m, 2H); 2.5(m, 4H); 3.8(m,6H); 4.2(t, 2H,      J=6.8); 6.7(t, 1H, J=4.7);7.2-7.7(compl. abs., 5H); 8.0(s, 1H); 8.2(s,      1H);8.4(d, 2H, J=2.3)  48 N CPh H CPh 80-82° C. 2942, 1585, 1547,      CDCl.sub.3 1.6(m, 2H); 1.9(m, 2H); 2.35(m, 6H); 3.8(m,       1485, 1359,      1260,  4H); 4.2(t, 2H, J=6.8); 6.4(t, 1H, J=4.7); 6.6       983, 763,      697  (s, 1H); 7.2-7.4(compl. abs., 8H); 7.8(m, 2H);       (film)      8.25(d, 2H, J=2.4)       49 N CH      ##STR14##       CH 92-95° C. 2931, 1584, 1548,1490, 1358, 1167,983 (KBr)      CDCl.sub.3 1.45(m, 2H); 1.85(m, 2H); 2.40(m, 6H); 3.80(m, 4H); 4.0(t,      2H, J=6.7); 6.47(t, 1H, J=4.6); 7.0(s, 1H); 7.5(m, 6H); 8.3(d, 2H, 2      J=4.6)       50 N CH      ##STR15##       CH 108-110° C. 2943, 1585, 1548,1446, 1360, 1161,984 (KBr)      CDCl.sub.3 1.5(m, 2H); 1.85(m, 2H); 2.28(m, 9H); 3.8(m,4H); 4.0(m, 2H);      6.45(t, 1H, J=4.7); 7-7.65(m, 6H); 8.27(d, 2H, J=4.7)       51 N CH n-BuSO.sub.2 NH CH Oil 2941, 1586, 15489, CDCl.sub.3 0.91(t,      3H, J=6.8); 1.45(m, 4H); 1.85(m,       1448, 1360, 1146,  4H); 2.40(m,      6H); 3.0(m, 2H); 3.80(m, 4H);       964, 755 (film)  4.11(t, 2H, J=6.5)      6.5(t, 1H, J=4.7); 7.4(m,         2H); 7.5(s, 1H); 8.3(d, 2H, J=4.7) 52      N CH n-PrSO.sub.2 NH CH Oil 2940, 1586, 1548, CDCl.sub.3 1.0(t, 3H,      J=7.1); 1.55(m, 2H); 1.9(m, 4H);       1447, 1360, 1146,  2.45(m, 6H);      3.0(t, 2H, J=7.4); 3.8(m, 4H);       984, 755 (film)  4.1(t, 2H, J=6.4);      6.46(t, 1H, J=4.7) 7.35         (m, 2H); 7.5(m, 1H); 8.3(d, 2H, J=4.7)      53 N CH EtSO.sub.2 NH CH Oil 2943, 1586, 1548, CDCl.sub.3 1.36(m, 5H);      1.9(m, 2H); 2.45(m, 6H); 3.0(m,       1447, 1360, 1146,  2H); 3.6(m,      4H); 4.1(t, 2H, J=6.4); 6.45(t,       984, 754 (film)  1H); J=4.7)      7.39(s, 1H); 7.51(s, 1H); 8.3(d,         2H, J=4.7); 54 N CMe SO.sub.2      NMe.sub.2 CMe Oil 2939, 1586, 1547, CDCl.sub.3 1.7(m, 4H); 2.3-3.0(compl.       abs., 18H); 3.8(m,       1448, 1360, 1290,  4H); 4.0(t, 2H, J=6.8);      6.5(t, 1H, J=4.7); 8.2       983, 951, 788  (d, 2H, J=2.35)       (film)      55 N CH SO.sub.2 NMe.sub.2 CH 100-102° C. 3135, 2943, 1586,      CDCl.sub.3 1.6(m, 2H); 1.9(m, 2H); 2.3-2.7(compl. abs.,       1512,      1357, 1328,  13H) 3.8(m, 4H); 4.2(t, 2H, J=6.8); 6.4(t, 1H,       1156,      982, 728  J=4.7); 7.75(d, 1H, J=4.4); 8.28(d, 2H, J=2.4)       (KBr) 56      N CH SO.sub.3 H CH 230-235° C. 3330, 1590, 1556, D.sub.2 O      1.95(m, 2H); 3.3(m, 6H); 4.0(s, 5H); 4.27(t,       1449, 1220, 1178,      2H, J=6.1); 6.8(t, 1H, J=4.8); 7.8(s, 1H);       1178, 1049, 971,      8.0(s, 1H); 8.43(d, 2H, J=2.4)       656 (KBr) 57 CH N H CH Oil 2940,      1585, 1500, CDCl.sub.3 1.6(m, 2H); 1.8(m, 2H); 2.5(m, 6H); 3.80(m,      1360, 1260, 975,  6H); 6.5(t, 1H, J=4.7); 6.9(s, 1H); 7.1(s, 1H);      (film)  7.5(s, 1H); 8.4(d, 2H, J=4.7) 58 CMe N H CH Oil 2941, 1586,      1547, CDCl.sub.3 1.72(m, 4H); 2.37(s, 3H); 2.44(m, 6H); 3.80(m,      1499, 1359, 1259,  6H); 6.45(t, 1H, J=4.7); 6.85(d, 2H, J=       983      (film)  4.5); 8.27(d, 2H, J=4.7) 59 CH N Cl CCl 69-71° C. 2946,      1584, 1543, CDCl.sub.3 1.4-2.1(compl. abs., 4H); 2.46(m, 6H); 3.86(m,         1492, 1359, 1254,  6H); 6.47(t, 1H, J=4.7); 7.38(s, 1H); 8.29(d,       983, 797 (KBr)  2H, J=4.7)       ##STR16##                  NMR  Example Z.sub.1 Z.sub.2 R.sub.3 Z.sub.4 R.sub.7 R.sub.8      R.sub.9 M.p. IR cm.sup.-1 Solvent .sup.1 H NMR(100 MHz), δ,      J=Hz     60 N CH Cl CH H H MeO 76-77° C. 2833, 1511, 1448,      d.sub.6 -DMSO 1.43(m, 2H); 1.78(m, 2H); 1.71-2.48(c.a., 6H);      1247, 1029, 979,  2.93-3.02(m, 4H); 3.67(s, 3H); 4.09(t, J=6.8      824 (KBr)  Hz, 2H); 6.83(s, 4H); 7.52(s, 1H); 7.98(s, 1H) 61 CMe N Cl      CCl H H MeO 73-75° C. 2940, 2818, 1512, d.sub.6       -DMSO 1.33-1.87(c.a., 4H); 2.32(s, 3H); 2.41-2.51(c.a.,          1457,      1245, 1183,  6H); 2.82-3.0(m, 4H); 3.67(s, 3H); 3.93(t, J=      1036, 826  7.2Hz, 2H); 6.83(s, 4H)          (KBr) 62 N CH Cl CH MeO H H      Oil 2941, 2816, 1500, d.sub.6       -DMSO 1.39(m, 2H); 1.77(m, 2H); 2.22-2.45(c.a., 6H);          1450,      1241, 749,  2.92(m, 4H); 3.76(s, 3H); 4.07(t, J=6.0Hz,          (film)      2H); 6.87(m, 4H); 7.51(s, 1H); 7.95(s, 1H) 63 CMe N Cl CCl MeO H H      82-83° C. 2943, 2820, 1502, d.sub.6 -DMSO 1.43-1.60(c.a., 4H);      2.33(s, 3H); 2.40-2.50(c.a.,          1405, 1241, 1030,  6H); 2.95(m,      4H); 3.76(s, 3H); 3.93(t, J=7.0          746 (KBr)  Hz, 2H); 6.89(m, 4H)      64 N CH Cl CH H MeO H Oil 2943, 2820, 1601,  CDCl.sub.3 1.52(m, 2H);      1.85(m, 2H); 2.28-2.56(c.a., 6H);          1578, 1496, 1451,  3.16(m,      4H); 3.7(s, 3H); 4.05(t, J=7.0Hz,          1203, 1171, 970  2H); 6.4(m,      3H); 7.15(m, 1H); 7.34(s, 1H); 7.40          (film)  (s, 1H) 65 CH CH H      CH H H MeO Oil 2943, 2815, 1512, CDCl.sub.3 1.50-1.80(c.a., 4H);      2.31-2.61(c.a., 6H); 3.06(m,          1455, 1244, 1037  4H); 3.74(s,      3H); 3.81(t, J=7.0Hz, 2H); 6.1          823, 724 (film)  (m, 2H); 6.6(m,      2H); 6.84(s, 4H) 66 CH CH H CH MeO H H Oil 2940, 2814, 1500, CDCl.sub.3      1.50-1.85(c.a., 4H); 2.33-2.66(c.a., 6H); 3.10(m,          1451, 1281,      1241,  4H); 3.84-3.96(c.a., 5H); 6.12(t, J=2Hz, 2H);          1028, 743,      723  6.65(t, J=Hz, 2H); 6.93(m, 4H)          (film) 67 CH CH H CH H H H      Oil 2943, 2817, 1600, CDCl.sub.3 1.41-1.89(c.a., 4H); 2.37(t, J=7,3Hz,      2H);          1501, 1235, 759,  2.50-2.60(c.a., 4H); 3.18(m, 4H);      3.89(t, J=          723, 692 (film)  6.9Hz, 2H); 6.13(t, J=2.0Hz, 2H);      6.64(t,            J=2.0Hz, 2H); 6.83-7.33(c.a., 5H) 68 N CH Cl CH H H H      58-61° C. 2942, 2819, 1600, CDCl.sub.3 1.47(m, 2H); 1.84(m, 2H);      2.35(t, J=7.2Hz,          1500, 1450, 1381,  2H); 2.52(m, 4H); 3.16(m,      4H); 4.04(t, J=6.8          1311, 1240, 1140,  Hz, 2H); 6.75-6.94(c.a.,      3H); 7.16(s, 1H); 7.23          966, 756 (KBr)  (s, 1H); 7.35(d,      J=7.4Hz, 2H) 69 CMe N Cl CCl H H H Oil 2944, 2819, 1600, CDCl.sub.3      1.43-1.87(c.a., 4H); 2.33(s, 3H); 2.38-2.60(c.a.,          1532, 1503,      1453,  6H); 3.17(m, 4H); 3.83(t, J=7Hz, 2H); 6.9          1404, 1244,      1143,  (c.a., 3H); 7.24(m, 2H)          759, 692 (film) 70 N CH CH CH Cl      H H Oil 2943, 2817, 1587, d.sub.6 -DMSO 1.40(m, 2H); 1.78(m, 2H);      2.2-2.6(c.a., 6H);          1480, 1443, 1231,  2.95(m, 4H); 4.08(t,      J=6.5Hz, 2H); 6.95-7.41          1040, 971, 751,  (c.a., 4H); 7.50(s,      1H); 7.97(s, 1H)          612 (film) 71 CMe N Cl CCl Cl H H 89-91°       C. 2936, 2818, 1587, CDCl.sub.3 1.3-1.8(c.a., 4H); 2.32(s, 3H);      2.35-2.70(c.a.,          1531, 1480, 1359,  6H); 2.96(m, 4H); 3.94(t,      J=7.2Hz, 2H); 6.90-          1243, 1229, 1036,  7.50(c.a., 4H);      1016, (KBr) 72 N CH Cl CH H Cl H Oil 2944, 2820, 1594, CDCl.sub.3      1.3-1.70(m, 2H); 1.70-2.10(m, 2H); 2.39(t, J=          1564, 1487, 1451,       7.4Hz, 2H); 2.59(m, 4H); 3.17(m, 4H); 4.09(t,          1433, 1384,      1239,  J=.4Hz, 2H); 6.6-6.9(c.a., 3H); 7.15(t, J=          987, 980      (film)  8.0Hz, 1H); 7.37(s, 1H); 7.4(s, 1H) 73 CMe N Cl CCl CN H H      80° (Dec) 2956, 2848, 2219, CDCl.sub.3 1.45-1.80(c.a., 4H);      2.37(s, 3H); 2.20-2.70(c.a.,          1593, 1488, 1240,  6H); 3.23(m,      4H); 3.88(t, J=7.1Hz, 2H); 6.90-          1232, 1010, 765  7.06(c.a.,      2H); 7.30-7.60(c.a., 2H)          (KBr) 74 CMe N Cl CCl F H H Oil 2944,      2822, 1501, CDCl.sub.3 1.30-1.80(c.a., 4H); 2.35(s, 3H); 2.20-2.70(c.a.,               1406, 1241, 1141,  6H); 3.10(m, 4H); 3.87(t, J=7Hz, 2H); 6.70-              754 (film)  7.07(c.a., 4H) 75 N CH Cl CH CN H H 59° (dec)      2948, 2823, 2219, CDCl.sub.3 1.50(m, 2H); 1.86(m, 2H); 2.43(t, J=7Hz,            1596, 1488, 1447,  2H); 2.63(m, 4H); 3.23(m, 4H); 4.11(t, J=6.8            1376, 1231, 971,  Hz, 2H); 6.80-7.10(c.a., 2H); 7.25-7.65(c.a.,      4H)          762 (film) 76 CMe N Cl CCl H CF.sub.3 H Oil 2946, 2821,      1609, CDCl.sub.3 1.35-1.75(c.a., 4H); 2.35(s, 3H); 2.30-2.65(c.a.,         1450, 1357, 1319,  6H); 3.22(m, 4H); 3.87(t, J=7.1Hz, 2H); 6.95-          1245, 1163, 1122,  7.10(c.a., 3H); 7.32(m, 1H)          697, (film)      77 N CH Cl CH H CF.sub.3 H Oil 2947, 2821, 1610, CDCl.sub.3 1.49(m, 2H);      1.89(m, 2H); 2.38(t, J=7.2Hz,          1450, 1357, 1319,  2H); 2.53(m,      4H); 3.21(m, 4H); 4.08(t, J=6.8          1163, 1123, 696  Hz, 2H);      6.95-7.12(c.a., 3H); 7.20-7.45(m, 3H          (film)  [δ= 7.36 s,      1H; δ=  7.40 s, 1H]) 78 N CH Cl CH F H H Oil 2944, 2820, 1501,      CDCl.sub.3 1.50(m, 2H); 1.89(m, 2H); 2.41(t, J=7.2Hz,          1451,      1239, 971,  2H); 2.59(m, 4H); 3.10(m, 4H); 4.09(t, J=6.9          753      (film)  Hz); 6.80-7.10(c.a., 4H); 7.37(s, 1H); 7.40(s, 1H)       ##STR17##                NMR  Example Z.sub.1 Z.sub.2 Z.sub.4 R.sub.3 Ar M.p. IR      cm.sup.-1 Solvent .sup.1       H NMR(100 MHz,), δ, J=Hz                    79 N CH CH Cl       ##STR18##       Oil 2943, 2815, 1493,1451, 1423, 1383,1307, 1261, 970,739 613 (film)      CDCl.sub.3 1.50(m, 2H); 1.85(m, 2H); 2.45(t, J=7.2Hz,2H); 2.60(t,      J=4.7Hz, 4H); 3.53(t, J=5.0Hz, 4H); 4.07(t, J=7.0Hz, 2H); 7.35(m,      4H);7.85(m, 2H)       80 CMe N CCl Cl      ##STR19##       Oil 2944, 2816, 1533,1493, 1422, 1380,1280, 1246, 1139,1017, 754,      665(film) CDCl.sub.3 1.55-1.85(c.a., 4H); 2.34-2.49(c.a., 5H); 2.62(t,J=4      .7Hz, 4H); 3.53(t, J=5.0Hz, 4H); 3.84(t, J=7.0Hz, 2H); 7.37(m, 2H);      7.83(m, 2H)       81 CH N N H      ##STR20##       102-4° C. 2943, 2809, 1493,1426, 1275, 1152,1007, 738, 678      CDCl.sub.3 1.55(m, 2H); 1.97(m, 2H); 2.45(t, J=7.3, 2H);2.64(c.a., 4H);      3,55(c.a., 4H); 4.22(t, J=6.9Hz, 2H); 7.35(m, 1H); 7.46(m, 1H); 7.80(d,      J=8Hz, 1H); 7.90(d, J=8Hz, 1H); 7.95(s, 1H);8.08(s, 1H)           82 CH      N CCHCHCHCH       ##STR21##       Oil 2944, 2828, 1495,1459, 1422, 1285,746 (film) CDCl.sub.3 1.56(m,      2H); 1.96(m, 2H); 2.42(t, J=7.1Hz,2H); 2.61(c.a. 4H); 3.53(c.a., 4H);      4,19(t, J=7.0Hz, 2H); 7.10-7.50(c.a., 5H); 7.70-7.90(c.a.,4H)      83 N CH CH Br       ##STR22##       84.6° C. 2952, 1583, 1526,1365, 1311, 950,(KBr) CDCl.sub.3      1.57(m, 2H); 1.90(m, 2H); 2.45(m, 6H); 3.80(t,4H, J=6.8); 7.44(d, 2H,      J=4); 8.29(s, 2H)       84 N CH CH Cl      ##STR23##       85-86° C. 1585, 1525, 1495,1364, (KBr) CDCl.sub.3 1.50(m, 2H);      1.86(m, 2H); 2.40(m, 6H); 3.76(m, 4H); 4.08((m, 2H); 7.4(t, 2H, J=6.9);      8.25(s, 2H)

Inhibitory activity on gastric acid secretion, Shay Method [Shay, H., Komarov, S. A., Fels, S. S., Merange, D., Grvenstein, M., Siplet, H.: Gastroenterology, 5, 43 (1945)--Visscher, F. E., Seay, P. H., Taxelaar, A. P., Veldhamp, W., Vander Brook, M. J.: J. Pharmac. Exp. Ther., 110, 188 (1954)--"Animal Experiments in Pharmacological Analysis", F. R. Domer; C. C. Thomas Pub, Springfield, Ill., USA, 1970, p. 140].

In this test, male Wistar rats weighing 200 to 250 grams are used, which rats are denied food from the day prior to that of the test, with free access to water. Batches which each contain at least 4 animals are used.

The rats are anesthetized with ethyl ether, a laparotomy is carried out on them and their pylori are ligatured, and then the abdominal incision is stitched up. Administration of the products, with the vehicle for the control batch, is carried out intraduodenally (i.d.) before stitching up the abdominal incision. The dose administered for the first test is 40 mg/kg and the 50% effective dose (ED₅₀) by the i.d. route is also determined in a second test. The vehicle used is 5% w/v gum arabic in doubly-distilled water.

Two hours after ligaturing the pylorus, the rats are sacrificed by prolonged anesthesia with ethyl ether and the volume of the gastric juice is measured and the total acidity is determined using a pH meter equipped with an automatic burette. The percentage of inhibition of the gastric acid secretion is determined, with respect to the control batch, for each product and for each dose tested.

The results obtained for some of the derivatives of the present invention are summarized, as non-limiting examples, in Table II.

                  TABLE II                                                         ______________________________________                                         Inhibition of gastric acid secretion in rats. Shay Method                              Percentage of inhibition of                                            Example gastric acid secretion                                                                            ED.sub.50                                           No.     (Dose = 40 mg/kg, i.d. route)                                                                     (mg/kg, i.d. route)                                 ______________________________________                                          1      90%                12                                                   2      44%                46                                                   3      63%                30                                                   6      41%                52                                                   7      40%                47                                                   9      35%                45                                                  10      81%                19                                                  11      81%                14                                                  12      37%                52                                                  13      44%                45                                                  15      53%                36                                                  16      71%                25                                                  17      63%                19                                                  19      49%                42                                                  21      71%                4.4                                                 22      55%                34                                                  24      59%                36                                                  25      85%                21                                                  27      63%                17                                                  29      81%                21                                                  31      90%                2.7                                                 32      78%                15                                                  34      45%                50                                                  35      64%                11                                                  36      78%                2.1                                                 37      79%                17                                                  38      59%                32                                                  39      85%                18                                                  40      61%                26                                                  41      46%                40                                                  42      85%                11                                                  44      81%                31                                                  45      74%                12                                                  46      92%                9.5                                                 47      88%                11                                                  52      54%                40                                                  53      90%                6.4                                                 59      75%                20                                                  60      63%                26                                                  61      86%                13                                                  62      81%                13                                                  63      89%                10                                                  64      68%                20                                                  66      65%                27                                                  67      90%                8.7                                                 68      94%                13                                                  69      71%                7.6                                                 70      81%                11                                                  71      73%                9.1                                                 72      88%                21                                                  73      90%                4.2                                                 74      94%                5.0                                                 75      94%                8.4                                                 76      96%                2.1                                                 77      82%                9.2                                                 78      87%                10                                                  79      82%                20                                                  80      88%                7.1                                                 81      82%                5.2                                                 82      53%                15                                                  83      45%                50                                                  84      41%                42                                                  Cimetidine                                                                             69%                11.5                                                ______________________________________                                    

In human therapeutics, the administration dose is, of course, a function of the seriousness of the condition to be treated. It will generally be between approximately 5 and approximately 100 mg/day. The derivatives of the invention will, for example, be administered in the form of tablets, solutions or suspensions, or else gelatin capsules. Two specific pharmaceutical dosage forms will be shown below, by way of examples.

Tablet formula example

    ______________________________________                                         Compound of Example 32  5 mg                                                   Lactose                 60 mg                                                  Microcrystalline cellulose                                                                             25 mg                                                  Povidone                5 mg                                                   Pregelatinized starch   3 mg                                                   Colloidal silicon dioxide                                                                              1 mg                                                   Magnesium stearate      1 mg                                                   Tablet weight           100 mg                                                 ______________________________________                                    

Gelatin capsule formula example

    ______________________________________                                         Compound of Example 32   10 mg                                                 Polyoxyethylenated glycerol                                                                             135 mg                                                Glyceryl behenate        5 mg                                                                           150 mg                                                Excipient: soft gelatin q.s.                                                   ______________________________________                                    

Taking into account the advantageous pharmacological properties attached to the compounds of general formula I, the present invention applies to the application of these compounds as medicaments, to the pharmaceutical compositions containing them and to their use for the manufacture of medicaments intended for the treatment of gastrointestinal diseases, in particular for the manufacture of inhibitory agents of gastric acid secretion and of anti-ulcer agents. 

We claim:
 1. A method of treating gastrointestinal diseases characterized by gastric acid hypersecret that comprises administering a therapeutically effective amount to a patient in need of such treatment of a derivative of general formula I: ##STR24## in which Ar represents an optionally nitrogenous aromatic radical chosen from the 2-pyrimidine and 3-(1,2-benzisothiazole),Z₁ represents a nitrogen atom or an optionally substituted carbon atom which can be represented by: C-R₁, Z₂ represents a nitrogen atom or an optionally substituted carbon atom which can be represented C-R₂, Z₄ represents a nitrogen atom or an optionally substituted by: carbon atom which can be represented by: C-R₄, and R₁, R₂, R₃ and R₄, which are identical or different and which can also form part of another, optionally aromatic ring, represent a hydrogen atom, a halogen, a lower alkyl radical, a nitro radical, a hydroxyl radical, an alkoxy radical, a cyano radical, a carboxyl radical, a carboxamido radical, an alkyl carboxylate radical, an aryl or substituted aryl radical, a sulfo radical, a sulfonamido radical which is optionally substituted on the amino group, or an amino radical, and its therapeutically acceptable salts.
 2. A method as in claim 1 wherein the derivative of general formula I is selected from the group consisting of:1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}pyrrole, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}carbazole, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}indole, 2,3-diphenyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl}butyl}indole, 4-carboxamido-1-{4-[4-(2-pyrimidinyl)-1-pierazinyl]butyl}-1H-pyrazole, 4-carboxy-1-{4-[4-(2-pyrimidinyl-1-piperazinyl]butyl}-1H-pyrazole, 3-methyl-5-trifluoromethyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4,5-diphenyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidacole, 2,4,5-triphenyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 4,5-diphenyl-2-methyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 4,5-dichloro-2-methyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 2-ethyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 2-phenyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 4-methoxycarbonyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole 4-phenyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 1-{4-[4-(2-pyrimidinyl)-1-piperaziny]butyl}-1H-benzimidazole, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazo[5,4-b]pyridine, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazo[4,5-b]pyridine, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-benzotriazole, 2-chloro-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-benzimidazole, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-1,2,4-triazole, 2-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-2H-benzotriazole, 2-methyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-benzimidazole, 5,6-dimethyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-benzimidazole, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 3,5-dimethyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 3,5-dimethyl-4-nitro-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-methyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-indazole, 4-bromo-3,5-dimethyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-nitro-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-chloro-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole dihydrochloride, 4-ethoxycarbonyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 3-methyl-5-phenyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-bromo-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-cyano-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-fluoro-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-amino-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl] butyl}-1H-pyrazole, 4-methylsulfonamido-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-benzamido-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-acetamido-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-(2-butyl)amino-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 3-chloro-4-fluoro-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-(4-methoxyphenyl)-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-(4-chlorophenyl)-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole 4-(1-pyrrolyl)-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-phenyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 3,5-diphenyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-phenylsulfamoyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-{4-methylbenzene)sulfamoyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-butylsulfamoyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-propylsulfamoyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-ethylsulfamoyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 3,5-dimethyl-4-(N,N-dimethylsulfamoyl)-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-N-methylsulfamoyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-sulfo-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-pyrazole, 1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 2-methyl-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 4,5-dichloro-1-{4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl}-1H-imidazole, 4-chloro-1-{4-[4-(4-methoxyphenyl)-1-piperazinyl]butyl}-1H-pyrazole, 4,5-dichloro-2-methyl-1-{4-[4-methoxyphenyl)-1-piperazinyl]butyl}-1H-imidazole, 4-chloro-1-{4-[4-(2-methoxyphenyl)-1-piperazinyl]butyl}-1H-pyrazole, 4,5-dichloro-2-methyl-1-{4-[4-(2-methoxyphenyl)-1-piperazinyl]butyl}-1H-imidazole, 4-chloro-1-{4-[4-(3-methoxyphenyl)-1-piperazinyl]butyl}-1H-pyrazole, 1-{4-[4-(4-methoxyphenyl)-1-piperazinyl]butyl}pyrrole, 1-{4-[4-(2-methoxyphenyl)-1-piperazinyl]butyl}pyrrole, 1-{4-[4-phenyl-1-piperazinyl]butyl}pyrrole, 4-chloro-1-{4-[4-phenyl-1-piperazinyl]butyl}-1H-pyrazole, 4,5-dichloro-2-methyl-1-{4-[4-phenyl-1-piperazinyl]butyl}-1H-imidazole, 4-chloro-1-{4-[4-(2-chlorophenyl)-1-piperazinyl]butyl}-1H-pyrazole, 4,5-dichloro-2-methyl-1-{4-[4-(2-chlorophenyl)-1-piperazinyl]butyl}-1H-imidazole, 4-chloro-1-{4-[4-(3-chlorophenyl)-1-piperazinyl]butyl}-1H-pyrazole, 4,5-dichloro-2-methyl-1-{4-[4-(2-cyanophenyl)-1-piperazinyl]butyl}-1H-imidazole, 4,5-dichloro-2-methyl-l{4-[4-(2-fluorophenyl)-1-piperazinyl]butyl}-1H-imidazole, 4-chloro-1-[4-(2-cyanophenyl)-1-piperazinyl]butyl}-1H-pyrazole, 4,5-dichloro-2-methyl-1-{4-[4-(3-trifluoromethylphenyl)-1-piperazinyl]butyl}-1H-imidazole, 4-chloro-1-{4-[4-(3-trifluoromethylphenyl)-1-piperazinyl]butyl}-1H-pyrazole 4-chloro-1-{4-[4-(2-fluorophenyl)-1-piperazinyl]butyl}-1H-pyrazole, 4-chloro-1-{4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl}-1H-pyrazole 4,5-dichloro-2-methyl-1-{4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl}-1H-imidazole, 1-{4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl}-1H1,2,4-triazole, 1-{4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl}-1H-benzimidazole, 4-bromo-1-{4-[4-(5-bromopyrimidin-2-yl)-1-piperazinyl]butyl}-1H-pyrazole, and 4-bromo-1-{4-[4-(5-chloropyrimidin-2-yl)-1-piperazinyl]butyl}-1H-pyrazole.
 3. The method of claim 1 wherein Ar is 2-pyrimidine.
 4. The method of claim 3 wherein Z₁ is N, Z₂ is CH, and Z₄ is CH.
 5. The method of claim 4 wherein R₃ is Cl. 